TeX Quellcode:
\begin{array}{rcl} \{8x[2+(13-5x)\cdot9x]-5\}\cdot4 &=&\{8x[2+13\cdot9x-5x\cdot9x]-5\}\cdot4 \cr\cr &=&\{8x[2+117x-45x\cdot x]-5\}\cdot4 \cr\cr &=&\{8x\cdot 2+8x\cdot 117x+8x\cdot (-45x\cdot x)-5\}\cdot4 \cr\cr &=&\{16x+936x\cdot x-360x\cdot x\cdot x-5\}\cdot4 \cr\cr &=&16x\cdot4+936x\cdot x\cdot4-360x\cdot x\cdot x\cdot4-5\cdot4 \cr\cr &=&64x+3744x\cdot x-1440x\cdot x\cdot x-20 \cr\cr &=&-1440x\cdot x\cdot x+3744x\cdot x+64x-20 \end{array}